external/bsd/pcc/dist/pcc-libs/libI77/iio.c

   1 /*      $Id: iio.c,v 1.1.1.1 2008/08/24 05:34:47 gmcgarry Exp $ */
   2 /*
   3  * Copyright(C) Caldera International Inc. 2001-2002. All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * Redistributions of source code and documentation must retain the above
  10  * copyright notice, this list of conditions and the following disclaimer.
  11  * Redistributions in binary form must reproduce the above copyright
  12  * notice, this list of conditionsand the following disclaimer in the
  13  * documentation and/or other materials provided with the distribution.
  14  * All advertising materials mentioning features or use of this software
  15  * must display the following acknowledgement:
  16  *      This product includes software developed or owned by Caldera
  17  *      International, Inc.
  18  * Neither the name of Caldera International, Inc. nor the names of other
  19  * contributors may be used to endorse or promote products derived from
  20  * this software without specific prior written permission.
  21  *
  22  * USE OF THE SOFTWARE PROVIDED FOR UNDER THIS LICENSE BY CALDERA
  23  * INTERNATIONAL, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
  24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  25  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  26  * DISCLAIMED.  IN NO EVENT SHALL CALDERA INTERNATIONAL, INC. BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OFLIABILITY, WHETHER IN CONTRACT,
  31  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  32  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  33  * POSSIBILITY OF SUCH DAMAGE.
  34  */
  35 #include "fio.h"
  36 #include "fmt.h"
  37 char *icptr,*icend;
  38 icilist *svic;
  39 static int y_err(void), z_wnew(void), z_rnew(void), c_si(icilist *);
  40 int icnum,icpos;
  41
  42 int
  43 z_getc()
  44 {
  45         if(icptr >= icend) err(svic->iciend,(EOF),"endfile");
  46         if(icpos++ < svic->icirlen)
  47                 return(*icptr++);
  48         else    err(svic->icierr,110,"recend");
  49 }
  50
  51 int
  52 z_putc(int c)
  53 {
  54         if(icptr >= icend) err(svic->icierr,110,"inwrite");
  55         if(icpos++ < svic->icirlen)
  56                 *icptr++ = c;
  57         else    err(svic->icierr,110,"recend");
  58         return(0);
  59 }
  60
  61 int
  62 z_rnew()
  63 {
  64         icptr = svic->iciunit + (++icnum)*svic->icirlen;
  65         icpos = 0;
  66         return 0;
  67 }
  68
  69 int
  70 s_rsfi(icilist *a)
  71 {       int n;
  72         if((n=c_si(a))) return(n);
  73         reading=1;
  74         doed=rd_ed;
  75         doned=rd_ned;
  76         getn=z_getc;
  77         dorevert = donewrec = y_err;
  78         doend = z_rnew;
  79         return(0);
  80 }
  81
  82 int
  83 s_wsfi(icilist *a)
  84 {       int n;
  85         if((n=c_si(a))) return(n);
  86         reading=0;
  87         doed=w_ed;
  88         doned=w_ned;
  89         putn=z_putc;
  90         dorevert = donewrec = y_err;
  91         doend = z_wnew;
  92         return(0);
  93 }
  94
  95 int
  96 c_si(icilist *a)
  97 {
  98         fmtbuf=a->icifmt;
  99         if(pars_f(fmtbuf)<0)
 100                 err(a->icierr,100,"startint");
 101         fmt_bg();
 102         sequential=formatted=1;
 103         external=0;
 104         cblank=cplus=scale=0;
 105         svic=a;
 106         icnum=icpos=0;
 107         icptr=svic->iciunit;
 108         icend=icptr+svic->icirlen*svic->icirnum;
 109         return(0);
 110 }
 111
 112 int
 113 z_wnew()
 114 {
 115         while(icpos++ < svic->icirlen)
 116                 *icptr++ = ' ';
 117         icpos = 0;
 118         icnum++;
 119         return 0;
 120 }
 121
 122 int
 123 e_rsfi()
 124 {       int n;
 125         n = en_fio();
 126         fmtbuf = NULL;
 127         return(n);
 128 }
 129
 130 int
 131 e_wsfi()
 132 {
 133         int n;
 134         n = en_fio();
 135         fmtbuf = NULL;
 136         while(icpos++ < svic->icirlen)
 137                 *icptr++ = ' ';
 138         return(n);
 139 }
 140
 141 int
 142 y_err()
 143 {
 144         err(elist->cierr, 110, "iio");
 145 }